180Pcs/Set Lock Nuts, 304 Stainless Steel Nylon Insert Locknut Assortment, M3 M4 M5 M6 M8 M10 M12

Made of high-quality 304 Stainless Steel and industrial strength nylon. Anti-rust and Capable enough to replace lock washers and prevent bolts from being exposed and coming out providing better security and firm hold.
More pieces are allocated on lock nuts that are commonly used. These lock nuts are provisioned with nylon collars thus, eliminating the need for lock washers. These nylon collars of these nuts are made from an industrial-strength material has an increased grip, as a result, it's likely to last much longer and be more difficult to undo.
Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible.
7 common sizes for general, convenient use, ideal for professionals and DIYers. Composed of M3 (60 pieces), M4 (35 pieces), M5 (30 pieces), M6 (25 pieces), M8 (15 pieces,), M10 (10 pieces), and M12 (5 pieces).
Come with a storage case, more convenience when using.

Package included:

M3 (60 pieces)
M4 (35 pieces)
M5 (30 pieces)
M6 (25 pieces)
M8 (15 pieces,)
M10 (10 pieces)
M12 (5 pieces)

Hello,